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/*
* Copyright 2014-2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.net.resource.link;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.Objects;
import java.util.stream.Collectors;
import com.google.common.annotations.Beta;
import com.google.common.collect.ImmutableMap;
import org.onlab.util.Bandwidth;
import org.onosproject.net.Link;
import org.onosproject.net.intent.Constraint;
import org.onosproject.net.intent.IntentId;
import org.onosproject.net.intent.constraint.BandwidthConstraint;
import org.onosproject.net.intent.constraint.LambdaConstraint;
import org.onosproject.net.resource.ResourceRequest;
import org.onosproject.net.resource.ResourceType;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Implementation of {@link LinkResourceRequest}.
*
* @deprecated in Emu Release
*/
@Deprecated
public final class DefaultLinkResourceRequest implements LinkResourceRequest {
private final IntentId intentId;
protected final Map<Link, Set<ResourceRequest>> requests;
/**
* Creates a new link resource request with the specified Intent ID,
* and resource requests over links.
*
* @param intentId intent ID associated with this request
* @param requests resource requests over links
*/
private DefaultLinkResourceRequest(IntentId intentId, Map<Link, Set<ResourceRequest>> requests) {
this.intentId = checkNotNull(intentId);
this.requests = checkNotNull(ImmutableMap.copyOf(requests));
}
@Override
public ResourceType type() {
return null;
}
@Override
public IntentId intentId() {
return intentId;
}
@Override
public Collection<Link> links() {
return requests.keySet();
}
@Override
public Set<ResourceRequest> resources() {
return requests.values().stream()
.flatMap(Collection::stream)
.collect(Collectors.toSet());
}
@Override
public Set<ResourceRequest> resources(Link link) {
return requests.get(link);
}
/**
* Returns builder of link resource request.
*
* @param intentId intent ID related to this request
* @param links a set of links for the request
* @return builder of link resource request
*/
public static LinkResourceRequest.Builder builder(
IntentId intentId, Collection<Link> links) {
return new Builder(intentId, links);
}
/**
* Builder of link resource request.
*/
public static final class Builder implements LinkResourceRequest.Builder {
private IntentId intentId;
private Map<Link, Set<ResourceRequest>> requests;
/**
* Creates a new link resource request.
*
* @param intentId intent ID related to this request
* @param links a set of links for the request
*/
private Builder(IntentId intentId, Collection<Link> links) {
this.intentId = intentId;
this.requests = new HashMap<>();
for (Link link : links) {
requests.put(link, new HashSet<>());
}
}
/**
* Adds lambda request.
*
* @return self
* @deprecated in Emu Release
*/
@Deprecated
@Override
public Builder addLambdaRequest() {
for (Link link : requests.keySet()) {
requests.get(link).add(new LambdaResourceRequest());
}
return this;
}
@Beta
@Override
public LinkResourceRequest.Builder addLambdaRequest(LambdaResource lambda) {
for (Link link : requests.keySet()) {
requests.get(link).add(new LambdaResourceRequest(lambda));
}
return this;
}
/**
* Adds Mpls request.
*
* @return self
* @deprecated in Emu Release
*/
@Deprecated
@Override
public Builder addMplsRequest() {
for (Link link : requests.keySet()) {
requests.get(link).add(new MplsLabelResourceRequest());
}
return this;
}
@Beta
@Override
public Builder addMplsRequest(MplsLabel label) {
for (Link link : requests.keySet()) {
requests.get(link).add(new MplsLabelResourceRequest(label));
}
return this;
}
@Beta
@Override
public LinkResourceRequest.Builder addMplsRequest(Map<Link, MplsLabel> labels) {
for (Link link : labels.keySet()) {
if (!requests.containsKey(link)) {
requests.put(link, new HashSet<>());
}
requests.get(link).add(new MplsLabelResourceRequest(labels.get(link)));
}
return this;
}
/**
* Adds bandwidth request with bandwidth value.
*
* @param bandwidth bandwidth value in bits per second to be requested
* @return self
*/
@Override
public Builder addBandwidthRequest(double bandwidth) {
for (Link link : requests.keySet()) {
requests.get(link).add(new BandwidthResourceRequest(new BandwidthResource(Bandwidth.bps(bandwidth))));
}
return this;
}
@Override
public LinkResourceRequest.Builder addConstraint(Constraint constraint) {
if (constraint instanceof LambdaConstraint) {
return addLambdaRequest();
} else if (constraint instanceof BandwidthConstraint) {
BandwidthConstraint bw = (BandwidthConstraint) constraint;
return addBandwidthRequest(bw.bandwidth().bps());
}
return this;
}
/**
* Returns link resource request.
*
* @return link resource request
*/
@Override
public LinkResourceRequest build() {
return new DefaultLinkResourceRequest(intentId, requests);
}
}
@Override
public int hashCode() {
return Objects.hash(intentId, links());
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
final DefaultLinkResourceRequest other = (DefaultLinkResourceRequest) obj;
return Objects.equals(this.intentId, other.intentId)
&& Objects.equals(this.links(), other.links());
}
}
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